问题补充:
--- How many students in your school have lunch at home?
--- Only of us have lunch at home.
A. two hundreds
B. two hundred
C. hundreds
D. hundred
答案:
A. two hundreds
(答案→)B. two hundred
C. hundreds
D. hundred
解析:句意:——你们学校有多少学生在家吃午饭?——我们中只有两百人在家吃午饭。hundred, thousand, million等有数词修饰时,结尾不加-s。故选B。